the slope •Loss or absence of vertical vegetative structure‚ soil nutrients‚ and soil structure(e.g. after a wildfire) •Erosion of the toe of a slope by rivers or ocean waves •Weakening of a slope through saturation by snowmelt‚ glaciers melting‚ or heavy rains •Earthquakes adding loads to barely stable slope .Earthquake -caused liquefaction destroying slopes. •Liquefaction is a phenomenon in which the strength and stiffness of a soil is reduced by earthquake shaking or other rapid loading. Liquefaction
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ml/l and 2.00 ml/l of water and Soil application at 0.25 ml/m‚ 0.50 ml/m‚ 0.75 ml/m‚ 1.00 ml/m‚ 1.25 ml/m‚ 1.50 ml/m‚ 2.00 ml/m of canopy radius and Control. Observations recorded revealed that application of paclobutrazol significantly influenced
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other small stream. 7. Level of research already carried out on the proposed topic: A study was carried out to evaluate soil erosion by using Revised Universal Soil Loss Equation (RUSLE) with GIS at Sub Watershed of Lake Rawal (Satrameel) during 1989-96 Combining the RUSLE with GIS tools was found useful for estimating soil loss on small size watershed for soil conservation and land use planning. 8. Reasons/
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the soil is made up by adding manures and fertilizers to the soil of crop-fields. Both manures and fertilizers are major sources of nutrients of plants‚ so they are used in crop production. Besides water CO2 and sunlight plants required no. of elements for their growth. These elements are known as nutrient. Plants get their elements from the salt of these elements present in the soil. But after repeated cultivation of plants soil become poor in these elements. The substance added to the soil to make
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the city. On the other hand‚ deforestation brings harm to humans because it can lead to erosion of the topsoil and siltation of rivers near the deforested areas. The tree canopy of a rainforest provides shelter from rain for the soil‚ and the roots help hold the soil in place. This helps to prevent the topsoil from being washed away by the rain. However‚ when a forest is cleared‚ the tree canopy
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The farmer‚ and The future: A Soil Fertility Management Strategy for Nepal CIESIN‚ 2004. The Trustees of Columbia University in the City of New York: Columbia Earth Institute. Conroy‚ C.‚ A. Mishra‚ and A. Rai‚ 2002. Learning from Self Initiated Community Forest Management in Orissa India Datta‚ S. K. and K. J. Virgo‚ 1998. Towards Sustainable Watershed Development through People ’s Participation: Lesson from the Lesser Himalaya‚ Utter Pradesh‚ India DSCWM‚ 2004. Soil conservation and watershed management
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food and energy for growth. Water is the basis of life; every living plant depends on it to thrive. In nature‚ water acts to recharge the soil with nutrients. When it rains‚ lifeless plant and animal matter decay. Microorganisms‚ insects and animals hasten this process by their consumption of plants and excretion of organic wastes. Organic wastes in the soil are biologically decomposed into the basic nutrient salts that plants feed on. In Hydroponics‚ this natural process is bypassed by providing
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is said to be efficient in soil aeration‚ and as a soil medium in germination. Generally it’s PH is 7.0 and varies slightly around the world (Grant‚ A. 2016). The property of Vermiculite tested in this experiment is soil aeration. This is extremely important for plant growth because if a plant is not aerated well CO2 will accumulate and slow down the growth of the plant (Akmal and Hirasawa‚ 2004). This would mean that a plants roots would not be able to penetrate the soil and absorb the required nutrients
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In addition‚ these halophytes also have the capacity to remove the accumulated salts in the water they uptake from the surface layer of the soil. Among the notable characteristics of these plants are its specialized leaf cells that excrete salt which are called salt glands while others have salt hairs located in their stem to excrete the salt. Moreover‚ this family of plants are able to adapt
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earth?. There is nothing called waste in this universe.It is a misplaced resource‚taking the example from the nature itself-the trees absorb all the nutrients from the mother earth and shed their leaves back to the nature.These leaves acts as a soil cover and the nutrients are back to the mother earth after they decompose. The different kinds of waste which are produced in our campus are waste from kitchen‚hostels‚buildings and houses.These include food waste‚paper waste and plastic waste
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